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10203404030431 = 233178933617283
BaseRepresentation
bin1001010001111010101001…
…0001011101000111011111
31100010102202202210121012221
42110132222101131013133
52314133032412433211
633411213515210211
72102112602153263
oct224365221350737
940112682717187
1010203404030431
11328426a633707
1211895a3446967
1359023b781b91
14273bc134a0a3
1512a632168c71
hex947aa45d1df

10203404030431 has 16 divisors (see below), whose sum is σ = 10257382118880. Its totient is φ = 10149518776320.

The previous prime is 10203404030419. The next prime is 10203404030441. The reversal of 10203404030431 is 13403040430201.

It is a cyclic number.

It is not a de Polignac number, because 10203404030431 - 29 = 10203404029919 is a prime.

It is a super-2 number, since 2×102034040304312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203404030396 and 10203404030405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203404030441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400985516 + ... + 1400992798.

It is an arithmetic number, because the mean of its divisors is an integer number (641086382430).

Almost surely, 210203404030431 is an apocalyptic number.

10203404030431 is a deficient number, since it is larger than the sum of its proper divisors (53978088449).

10203404030431 is a wasteful number, since it uses less digits than its factorization.

10203404030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 10203404030431 its reverse (13403040430201), we get a palindrome (23606444460632).

The spelling of 10203404030431 in words is "ten trillion, two hundred three billion, four hundred four million, thirty thousand, four hundred thirty-one".

Divisors: 1 233 1789 3361 7283 416837 783113 1696939 6012829 13029287 24478163 1400989157 3035823871 5703411979 43791433607 10203404030431